Mona Shores High School choir assistant Mike D'Oyly was arrested Tuesday and will be charged with criminal sexual conduct, according to police officials.

D'Oyly was arrested by Norton Shores Police officers, according to a press release from the police department. He has been the focus of a criminal investigation into “inappropriate conduct” with students since Jan. 3.

He is being charged with fourth-degree criminal sexual conduct, and the case remains under investigation, the press release said.

D'Oyly, a popular piano accompanist with the Mona Shores High School choir and Allegros performing arts group, has been suspended from the school district since Dec. 31.

Fourth-degree CSC is a misdemeanor punishable by no more than two years in prison and/or a fine of no more than $500.

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The press release indicates that “no further information” will be released until D'Oyly is arraigned.

Authorities have reported the allegations against D'Oyly involve “inappropriate conduct” with male students in the Mona Shores High School choir.

The investigation began after a parent of a former student contacted Shawn Lawton, the school's choir director, on Dec. 31 with allegations of inappropriate contact by D'Oyly, according to Mona Shores Superintendent Dave Peden.

Police were contacted on Jan. 3, and have been conducting interviews with students at the high school, he said.

D'Oyly volunteered for about 11 years and then was paid by the district for 10 years to be a piano accompanist for the popular high school choir program that typically involves 300 students.

He has been heavily involved in performing arts and choir productions, including the annual school musical and Singing Christmas Tree.

The district sent a letter to all parents Friday informing them of the investigation into D'Oyly and encouraging them to report any concerns they have about their children's interactions with D'Oyly.

D'Oyly also has been working as an organist at First Presbyterian Church in Grand Haven.